Question

A solution of a substance ‘X’ is used for whitewashing.

(i) Name the substance ‘X’ and write its formula.

(ii) Write the reaction of the substance ‘X’ named in (i) above with water.​

Answer 1

Answer:

$\huge\tt\blue{mark\:me\:as\: brainlist}$$\huge\fcolorbox{red}{pink}{mark me as brainlist ♥}$$\huge\fcolorbox{red}{pink}{Good Morning ♥}$╔┓┏╦━━╦┓╔┓╔━━╗╔╗ ║┗┛║┗━╣┃║┃║╯╰║║║ ║┏┓║┏━╣┗╣┗╣╰╯║╠╣ ╚┛┗╩━━╩━╩━╩━━╝╚╝

Explanation:

(2) Write the reaction of the substance X named in (1) above with water. Answer: (1) The solution of the substance used for whitewashing is calcium oxide also called quicklime with chemical formula CaO. ... CaO (s) + H2O (l) → Ca(OH)2(aq).

Answer 2

(i) The name of the substance used for whitewashing is calcium oxide and its formula is

CaO

.

(ii) It's reaction with water is-

CaO+ water

H

2

⟶ Ca

(OH)

2

+ heat